| Species name | Common name | Distribution | Max. Length (cm) |
|---|---|---|---|
| Porella aperta (Boeck, 1862) |
Arctic | ||
| Porella compressa (Sowerby, 1806) |
Flattened bryozoan | Northeast Atlantic | |
| Porella concinna (Busk, 1854) |
Northeast Atlantic and the Mediterranean Sea | ||
| Porella hyadesi Jullien, 1888 |
Southwest Atlantic | ||
| Porella laevis (Fleming, 1828) |
Northeast Atlantic | ||
| Porella malouinensis Jullien, 1888 |
Antarctic Indian Ocean | ||
| Porella minuta (Norman, 1868) |
Northeast Atlantic and the Mediterranean Sea | ||
| Porella patens Osburn, 1952 |
Eastern Pacific | ||
| Porella patula (Sars, 1851) |
Northeast Atlantic | ||
| Porella plana Hincks, 1888 |
Arctic | ||
| Porella porifera (Hincks, 1884) |
Eastern Central Pacific | ||
| Porella sacata (Busk, 1856) |
Arctic | ||
| Porella smitti Kluge, 1907 |
Arctic | ||
| Porella tubulata (Busk, 1861) |
Mediterranean Sea |